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2026-03-28 - 10:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sat Mar 28, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16626216899,7sleep00-21swapper/019:05:440
16678216396,8sleep30-21swapper/319:06:243
167632131122,6sleep10-21swapper/119:07:291
16827212182,8sleep20-21swapper/219:08:192
27812720,0sleep32784-21grep22:45:133
119912720,0sleep10-21swapper/120:55:181
281422680,4sleep010-21rcuc/020:15:110
222992640,0sleep00-21swapper/020:10:120
23672600,0sleep10-21swapper/119:50:181
200882600,0sleep30-21swapper/321:05:133
302472580,1sleep00-21swapper/022:40:130
199512580,0sleep30-21swapper/323:00:143
125252570,0sleep30-21swapper/320:30:013
323212560,1sleep00-21swapper/019:50:130
229402530,0sleep20-21swapper/219:40:172
1711999280,27cyclictest0-21swapper/122:08:111
1711999280,27cyclictest0-21swapper/120:50:091
1711999280,27cyclictest0-21swapper/120:47:071
1711999280,27cyclictest0-21swapper/120:47:061
1712499270,26cyclictest0-21swapper/222:23:292
1712499270,26cyclictest0-21swapper/221:35:582
1712499270,26cyclictest0-21swapper/220:26:392
1712499270,26cyclictest0-21swapper/220:06:442
17119992723,3cyclictest0-21swapper/100:05:111
1711999270,26cyclictest0-21swapper/122:18:231
1711999270,26cyclictest0-21swapper/121:53:491
1711999270,26cyclictest0-21swapper/121:13:131
1711999270,26cyclictest0-21swapper/121:00:521
1711999270,26cyclictest0-21swapper/120:32:561
1711999270,26cyclictest0-21swapper/120:09:261
1711999270,26cyclictest0-21swapper/100:23:401
1711499273,16cyclictest30959-21strings21:40:180
1711499270,26cyclictest0-21swapper/023:35:560
1711499270,26cyclictest0-21swapper/022:11:560
1712499260,25cyclictest0-21swapper/223:26:562
1712499260,25cyclictest0-21swapper/223:17:292
1712499260,25cyclictest0-21swapper/221:29:522
1711999260,25cyclictest0-21swapper/121:41:131
1711999260,25cyclictest0-21swapper/120:40:401
1711999260,25cyclictest0-21swapper/119:30:361
1711999260,25cyclictest0-21swapper/100:14:061
17124992522,2cyclictest0-21swapper/200:17:242
1712499251,20cyclictest0-21swapper/219:15:222
1711999251,23cyclictest0-21swapper/100:39:241
1711999250,24cyclictest0-21swapper/123:46:141
1711999250,24cyclictest0-21swapper/123:32:261
1711999250,24cyclictest0-21swapper/121:46:241
17124992321,2cyclictest0-21swapper/221:09:432
1712499231,3cyclictest0-21swapper/219:30:142
17119992321,2cyclictest0-21swapper/122:59:141
17119992321,2cyclictest0-21swapper/121:32:421
17119992319,3cyclictest0-21swapper/122:14:231
1711999230,22cyclictest0-21swapper/120:38:251
17124992219,2cyclictest0-21swapper/221:52:312
1712499221,3cyclictest0-21swapper/219:21:482
1712499221,20cyclictest0-21swapper/200:03:502
1712499220,21cyclictest0-21swapper/200:07:322
1711999221,20cyclictest0-21swapper/123:17:541
1711999220,4cyclictest0-21swapper/119:15:441
1711999220,3cyclictest0-21swapper/119:41:261
1711999220,21cyclictest0-21swapper/123:28:561
1711999220,21cyclictest0-21swapper/121:17:341
1711999220,21cyclictest0-21swapper/119:55:571
1711999220,21cyclictest0-21swapper/119:39:501
1711499220,21cyclictest0-21swapper/019:47:090
17124992119,2cyclictest0-21swapper/221:22:572
17124992119,2cyclictest0-21swapper/200:21:392
17124992119,1cyclictest749-21snmpd20:12:362
1712499211,3cyclictest0-21swapper/222:41:322
17124992113,7cyclictest0-21swapper/220:39:562
1712499211,19cyclictest0-21swapper/219:27:472
1712499210,20cyclictest0-21swapper/223:11:502
1712499210,20cyclictest0-21swapper/220:58:302
1712499210,20cyclictest0-21swapper/220:53:582
1712499210,20cyclictest0-21swapper/219:55:362
1712499210,20cyclictest0-21swapper/219:51:242
17119992117,3cyclictest0-21swapper/122:36:471
17119992117,3cyclictest0-21swapper/121:59:101
17119992117,3cyclictest0-21swapper/121:25:581
1711999211,19cyclictest0-21swapper/122:46:321
1711999210,2cyclictest0-21swapper/120:02:211
1711999210,20cyclictest0-21swapper/123:56:411
1711999210,20cyclictest0-21swapper/123:51:411
1711999210,20cyclictest0-21swapper/123:39:171
1711999210,20cyclictest0-21swapper/123:21:231
1711999210,20cyclictest0-21swapper/123:10:411
1711999210,20cyclictest0-21swapper/123:06:561
1711999210,20cyclictest0-21swapper/122:51:381
1711999210,20cyclictest0-21swapper/122:40:351
1711999210,20cyclictest0-21swapper/122:27:021
1711999210,20cyclictest0-21swapper/121:23:551
1711999210,20cyclictest0-21swapper/121:06:121
1711999210,20cyclictest0-21swapper/120:28:331
1711999210,20cyclictest0-21swapper/120:22:241
1711999210,20cyclictest0-21swapper/120:16:171
1711999210,20cyclictest0-21swapper/119:48:001
1711999210,20cyclictest0-21swapper/119:26:081
1711999210,20cyclictest0-21swapper/100:31:211
1711999210,20cyclictest0-21swapper/100:17:421
1711999210,20cyclictest0-21swapper/100:02:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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